Table 7. Median age estimates and projections in OECD countries Years 1960 1970 1980 1990 2000 2010 2020 2030 2040 2050 United States 29.6 28.2 30.1 32.8 35.8 37.8 39.0 40.6 41.8 42.1 Japan 25.5 29.0 32.6 37.4 41.2 43.8 46.9 49.3 49.5 49.0 Germany 34.7 34.3 36.4 37.7 40.0 44.1 46.9 47.6 48.7 48.4 France 33.0 32.3 32.5 34.7 37.6 40.3 42.3 43.6 44.1 43.9 Italy 31.3 32.9 34.0 37.4 40.6 44.9 49.0 52.2 53.0 53.2 United Kingdom 35.4 33.7 34.6 36.1 38.2 41.2 42.7 43.6 44.8 44.5 Canada 26.4 26.0 29.2 32.8 36.8 40.0 41.6 42.8 43.4 42.6 Australia 29.6 27.6 29.4 32.2 35.3 38.0 39.8 41.2 42.1 42.2 Austria 35.4 33.9 34.7 35.6 37.8 41.8 45.1 47.4 49.4 50.2 Belgium 35.2 34.5 34.1 36.5 39.3 42.6 44.9 46.3 47.2 46.8 Czech Republic 32.8 33.5 33.0 35.2 37.5 40.4 44.7 49.1 51.8 53.3 Denmark 33.0 32.5 34.3 37.1 39.0 41.8 44.0 43.7 44.2 44.4 Finland 28.2 29.6 32.8 36.4 39.4 42.3 43.5 44.6 45.2 44.5 Greece 29.1 33.4 34.2 36.1 39.4 43.0 46.6 50.1 52.3 52.5 Hungary 32.1 34.1 34.4 36.4 38.1 39.8 43.3 46.3 48.2 49.2 Iceland 25.4 24.6 26.9 30.0 32.9 35.5 37.9 40.0 42.0 43.3 Ireland 29.8 27.6 26.4 29.1 32.3 34.7 38.0 40.4 40.7 41.2 Korea 19.2 19.0 21.8 26.9 31.5 36.0 39.8 42.3 43.6 44.4 Luxembourg 35.2 35.4 34.8 36.5 37.8 40.3 42.6 44.4 45.6 46.1 Mexico 17.5 16.7 17.2 19.7 23.3 27.0 30.7 34.3 37.3 39.5 Netherlands 28.8 28.6 31.3 34.5 37.8 42.1 45.7 46.7 47.6 47.8 New Zealand 27.4 25.6 28.3 31.1 34.0 36.3 37.8 39.3 40.3 40.6 Norway 34.4 33.0 33.3 35.4 37.4 40.3 42.2 42.7 43.6 43.8 Poland 26.5 28.2 29.6 32.3 35.1 37.3 40.6 44.3 46.3 46.0 Portugal 28.0 28.6 29.1 34.5 37.3 40.5 44.5 48.0 49.4 50.0 Spain 29.6 30.2 30.3 33.9 37.9 42.3 46.9 51.4 54.1 54.3 Sweden 36.2 35.4 36.3 38.3 40.0 42.7 44.9 45.3 46.8 46.3 Switzerland 32.5 32.0 34.8 36.4 38.4 42.3 45.6 47.3 48.7 49.4 Turkey 20.3 19.1 19.8 22.2 25.6 29.6 33.0 35.4 37.7 39.1 OECD average (unweighte 29.7 29.6 30.9 33.6 36.5 39.6 42.4 44.5 45.8 46.2 Source: United Nations Population Division, World Population Prospects: The 1998 Revision.